Most PCBs are made to fulfill a certain task and optimizing the PCB for that task can strengthen the prototype.
Assembling the prototype printed circuit board (PCB) is almost identical to assembling a complete series of PCBs, with the biggest difference being the number of PCBs being used. Many of the parts generate heat on a printed circuit board, so the inventor should listen to the manufacturer’s instructions on spacing the parts when assembling the prototype of the printed circuit board. Most PCBs are made to fulfill a certain task and optimizing the PCB for that task can strengthen the prototype. When assembling the PCB prototype, it is usually best to leave some space around the edge for safety reasons. Some parts on a PCB must be placed in a specific area and it may be easier to place them first.
Although a PCB prototype is not on the market, there are usually many commercially available parts used to assemble a PCB prototype. Many of these parts come with manufacturer instructions indicating how far apart the parts should be placed to ensure that the heat generated by each part does not destroy nearby components. It is usually best to follow this when assembling the PCB prototype; otherwise, the card may have a very short lifespan.
Selection of parts for PCB prototype assembly should be based on need and functionality to ensure the PCB is optimized for the task at hand. For example, if a PCB is intended to increase processing speed, the use of components that better integrate with the central processing unit (CPU) should be chosen. This should help the PCB function properly and often makes the task of selecting parts easier.
The inventor is able to fill the inner area of the PCB to the brim with components, but this can be a bad idea. When assembling the PCB prototype, the inventor should leave an edge of about 2.5 millimeters free of any parts. If there are components close to the edge, they are less heat resistant and any shock to the edge of the PCB can physically damage the components and ruin the PCB.
Most parts used in PCB prototype assembly can be placed anywhere, but there are some that need to be placed in a specific location. While it’s not necessary, it’s usually easier to put these pieces in first. This makes it easier to plan where the other parts go and ensures that those parts get their specific location before other parts fill in those zones.